Means for supporting railway rails upon ties



Nov. 4, 1930. w. H. KIRKBRIDE 1,730,396

MEANS FOR SUPPORTING RAILWAY RAILS UPON TIES Filed March 12, 1930 4 IZYVENTORT 446i: 4 4 BY 7M.

ATTORNEYS.

Patented Nov. 4, 1930 PATENT OFFICE WALTER H. KIRKBRIDE, 013 SAN FRANCISCO, CALIFORNIA MEANS FOR- SUPPORTING RAILWAY RAILS UPON TIES Application filed March 12, 1930. Serial No. 435,182.

My invention relates to means for supporting rails upon the cross tics of a railway track structure and constitutes an improvement on the structure disclosed in my former Patent Number 1,507,068 issued September 2nd, 1924:.

The principal object of the present invention is to provide a resilient mounting for the rail upon the tie. Other objects are to provide means 'i'or protecting the tie from the damaging ellects of moisture, vibration and loading of the rail, and to provide means for securing the rail to the tie, which will prevent, or at least minimize, the tendency of the rail to shilt or skid outwardly toward the end of the tie, especially in the case of the outside rail on curves, and which will provide means for adjusting the position of the rail u on the lie so that the original gauge can e restored if shifting does occur, or ii the head of the rail wears away to an appreciable extent.

Other objects of the invention will become apparent from the following specification, which should he read with the understanding that the form, construction and arrange-- in a number of different forms some of which are shown in the accompanying drawings, wherein Fig. 1 is a transverse section of a rail showin a simple form of my improved mounting. *ig. 2 is a similar view showing the use of my improved supplementary plate.

1g. 3 is a plan view of the same.

Fig. i is a plan view, enlarged, of a preis placed immediately beneath the rail and a supplen'ientary metal plate 4 is placed between said tie plate and the tie. Resilient pads or cushions 5 are placed respectively between the two metal plates o and 4 and between the lower plate 4 and the tie. The

ordinary rail holding spikes 6 extend through both plates and pads, and in addition thelowcr plate 4 is secured to the tie by other means such as lag screws 7.

Obviously the above described arrangement of plates and cushions may be varied to some extent, as for example by omitting one of the resilient pads. The tie plate3may also be omitted, for although I have termed the plate 4 a supplementary plate, as a matter of convenience, it will be obvious that it may be used either with or without the usual tie plate 3. Such variations will be apparent to those skilled in the art, and it is therefore unnecessary to illustrate them specifically.

A more developed form of the invention is shown in Fig; 2, in which the lower or supplementary plate 4' is'provided with downwardly turned side flanges 8 lying against the sides of the'tie. A bolt 9 is passed horizontally through the tie and through holes 10 in said flanges, to secure the plate 4' upon the tie independently of the rail holding spikes 6. The lag screws 7 of the previously described form may be re laced by an ordinary spike 7 At the end oi the plate 4' opposite the bolt 9 is an upturned flange 11 a ainst which the end of the tie plate 3 bears. no or more resilient pads 5 may be used as before. This form of the device is particularly suited for curved rails because of the increased resistance to side thrust or skidding; of the rail along the tie. I v

As a further means of reducing the tendency to lateral movement of the rail upon the tie, especially upon curves, I prefer to; notch and incline the upper surface of the tie beneath the lower plate 4, as shown in Figs. 2

and 7. This tiltsthe rail sligh'tl y toward the center of the track, thereby providing additional resistance to side thrust.

In order to provide for the lateral adjustment of the rail, that is, to provide for readjustment otthe gauge of the track it the rails should spread or their heads become worn, the holes in the side flanges 8 of the supplementary plate 4 are elongated, as shown in Figs. 2 and 7. When the track is first constructed, the bolt hole through the tie is boredin such a position that the bolt will lie against the innerends of the holes 10, as in Fig. 2. Then, when it becomes necessary to readjust the position of the rail, it is moved toward the center of the trackwith the plates 3 and 4', until the bolt 9 lies against the other end of the holes 10. In order to hold the plate 4' in this adjusted position, shims of crescent shaped cross section, shown at 13 in Figs. 6 and 7, are driven into the hole along side of the bolt from opposite sides of the tie. During this operation of adjusting the position of the rail, the rail and plate holding spikes 6 and 7 must'be drawn out and replaced in the custom'ay manner. The cushion or pad 5 may be made of any suitable resilient material; as for example,

rubber vulcanized with cotton fabric, or vegetable or mineral fiber impregnated with asphaltum compounds, or any other material,

'metallic or otherwise, having the requisite resilience and wearing qualities. I prefer to form such pads, as shown in Figs. 4 and 5,

with a plurality of spaced intersecting ribs 14 upon one surface. The effect of such a pad, when compressed against a smooth metal surface such as that of the tie plate or supplementary plate, is to provide a plurality of air pockets between the ribs, thus increasing the resilience'of the cushion. The use of resilient pads between the'lower plate and the upper surface of the tie, and especially pads of the form shown in Figs. 4 and 5, protects the tie from the destructive effects of the natural vibration of the rail, and also by excluding moisture from between'the metal' 'been shown and described in my prior pat-- ent-above referred to, and in addition I am able to providethe herein described means for adjusting the position of said plate and the rail upon it. only enables the gauge of the track to be maintained, but also enables ties drilled for a given gauge to be used upon a slightly different gauge merely-by shifting the plates to the extent of the length of the holes 10. Moreover, by notching .or. inclining the upper surface of the tie beneath the supplementary plate, I provide additionalresistance to lat- This adjustable feature not' eral movement or skidding of the rail upon the tie.

I claim V 1. A means for mounting railway rails upon cross-ties comprising a tie-plate underlying the rail a supplementary plate underlying said tie-plate, said supplementary plate having a stop at its outer end against which the outer edge of the tie-plate abuts, and having also side members engaging the sides of the cross-tie; a resilient pad interposed between said rail and cross-tie adjacent to one of said plates; spikes engaging the rail and passing" through said plates and resilient pad into the crosstie; and means for securing the supplementary plate to the cross-tie independently of the rail engaging spikes.

2. A means for mounting railway rails upon cross-ties comprising a tie-plate underlying the rail; a supplementary plate underlying the tie-plate; a resilient pad adjacent to one of said plates, said pad having a plurality of intersecting ribs formed upon one surface; and means for, securing said rail to the cross-f '3. A means for mounting railway rails upon cross-ties comprising a tie-plate underlying the rail; a resilient pad adjacent to said plate, said pad having a plurality of intersecting ribs formed upon one surface; and means for securing said rail to the cross-tie.

4. A means for mounting railway rails upon cross-ties comprising a tie-plate underlying the rail; a supplementary plate interposed between said tie-plate and the cross-tie, said supplementary plate having means for engaging said tie-plate to prevent movement thereof in one direction; side flanges depending from said supplementary plate and engaging the sides of the tie, said flanges hav ing elongated holes therein; a securing member extending through the tie and said holes; and shims lying adjacent to said securing member to retain it at one end of said holes.

5. A means for mounting railway rails upon cross-ties comprising a plate interposed between the rail and'the tie, said plate having-an upturned flange at one end and downwardly turned side flanges engaging the sides of the tie, and said side flanges having elongated holes therein; a securing member extending through the tie and said holes; and shims'lying adjacent to said securing member to retain it at one end of said holes.

7 6. In a railway rail mounting, a rail; a cross-tie having its'upper surface notched and inclined beneath said rail to tilt it in- Wardly;-a plate interposedbetween said rail and the inclined portion of said tie, said plate having an upturned flange at its outer end and downwardly turned side flanges engaging the sides of the tie; spikes passing through said plate for securing the rail to the tie; and means for securing said side flanges to thetie independently of the rail.

7. A means for mounting railway rails upon cross-ties comprising a tie-plate underlying the rail; a supplementary plate underlying the tie-plate; a resilient pad interposed between the supplementary plate and the cross-tie, said pad having a plurality of intersecting ribs formed upon its surface; and means for securing said rail to the cross-tie.

In testimony whereof I have signed my I name to this specification.

WALTER H. KIBKBRIDE. 

